<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script src="js/jquery-3.3.1.min.js" type="text/javascript" charset="utf-8"></script>
	<!--<script src="js/Bootstrap-4.4.1.min.js" type="text/javascript" charset="utf-8"></script>
		<script src="js/Bootstrap.bundle.min.js" type="text/javascript" charset="utf-8"></script>
	   <link rel="stylesheet" type="text/css" href="css/Bootstrap-4.4.1.css"/>
	  -->
	  <script src="js/js/bootstrap.min.js" type="text/javascript" charset="utf-8"></script>
	  <script src="js/js/bootstrap.js" type="text/javascript" charset="utf-8"></script>
         <script src="js/js/bootstrap.min.js" type="text/javascript" charset="utf-8"></script>
         <link rel="stylesheet" type="text/css" href="css/css/bootstrap.min.css"/>
		<style type="text/css">
        .btn-secondary title{
        	 width: 100px;
        	 height: 100px;
        	 background-image: url(img/a1.jpg);
        }
 

		</style>
		
		
		
			<script type="text/javascript">
				
				$('.dropdown-toggle').dropdown()
				
$(function () {
$('[data-toggle="tooltip"]').tooltip()
})
$('#myModal').on('shown.bs.modal', function () {
  $('#myInput').focus()
})

		</script>
		
	</head>
	<body>
		
<div class="dropdown">
	<img src="img/a1.jpg"/ data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
  <button id="dLabel" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
    Dropdown trigger
    <span class="caret"></span>
  </button>
  <ul class="dropdown-menu" aria-labelledby="dLabel">
    <a href="">dsa</a>
  </ul>
</div>
		
		<span class="d-inline-block" tabindex="0" data-toggle="tooltip" title="Disabled tooltip">
  <button class="btn btn-primary" style="pointer-events: none;" type="button" disabled>Disabled button</button>
</span>
		<!-- HTML to write -->
<a href="#" data-toggle="tooltip" title="Some tooltip text!">Hover over me</a>

<!-- Generated markup by the plugin -->
<div class="tooltip bs-tooltip-top" role="tooltip">
  <div class="arrow"></div>
  <div class="tooltip-inner">
    Some tooltip text!
  </div>
  
</div>

<button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="top" title="Tooltip on top">
  Tooltip on top
</button>
<button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="right" title="Tooltip on right">
  Tooltip on right
</button>
<button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="bottom" title="Tooltip on bottom">
  Tooltip on bottom
</button>
<img src="img/a1.jpg"/ class="btn-secondary" data-toggle="tooltip" data-placement="left" a>
<a href="" class="btn-secondary" data-toggle="tooltip" data-placement="left" title="sadass"><img src="img/a1.jpg"/></a>
sdada 
<button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="left" title="Tooltip on left">
  咨询我么
</button>
<div class="modal fade" tabindex="-1" role="dialog">
  <div class="modal-dialog" role="document">
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
        <h4 class="modal-title">Modal title</h4>
      </div>
      <div class="modal-body">
        <p>One fine body&hellip;</p>
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
        <button type="button" class="btn btn-primary">Save changes</button>
      </div>
    </div><!-- /.modal-content -->
  </div><!-- /.modal-dialog -->
</div><!-- /.modal -->
<button type="button" class="btn btn-lg btn-danger" data-toggle="popover" title="Popover title" data-content="And here's some amazing content. It's very engaging. Right?">点我弹出/隐藏弹出框</button>
	<!--点击隐藏-->


<!-- Button trigger modal -->
<button type="button" class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">
  Launch demo modal
</button>

<!-- Modal -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
  <div class="modal-dialog" role="document">
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
        <h4 class="modal-title" id="myModalLabel">Modal title</h4>
      </div>
      <div class="modal-body">
        ...
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
        <button type="button" class="btn btn-primary">Save changes</button>
      </div>
    </div>
  </div>
</div>

	</body>
</html>
